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Finding the Fourth Proportional to 224,641.61, 310,006.94 and 122,667.81

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Solution

The fourth proportional to 224,641.61, 310,006.94 and 122,667.81 is: 169,282.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,641.61 : 310,006.94 = 122,667.81 : x
  2. Step 2: Convert to fraction form
    224,641.61/310,006.94 = 122,667.81/x
  3. Step 3: Cross multiply
    224,641.61x = 310,006.94 × 122,667.81
  4. Step 4: Simplify right side
    224,641.61x = 38,027,872,414.60
  5. Step 5: Solve for x
    x = 38,027,872,414.60/224,641.61
  6. Step 6: Final answer
    x = 169,282.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.